Zenker's diverticulum is a rare condition that affects the esophagus, a muscular tube that connects the throat to the stomach. It is characterized by the formation of a bulge or pouch at the top of the esophagus, which can get bigger over time. This condition can cause food, pills, and even thick mucus to get stuck in the pouch instead of passing through the esophagus, leading to eating difficulties and complications.
Zollinger-Ellison syndrome is a rare condition that affects the pancreas and small intestine. It is characterized by the growth of one or more tumors, known as gastrinomas, which produce excessive amounts of the hormone gastrin. This hormone stimulates the stomach to produce excessive amounts of acid, leading to peptic ulcers and other complications.